How to Replace Engine Fuel Filter for Mercedes W212

This instruction will show you guide on how to change the engine fuel filter on Mercedes-Benz E-Class W212 Diesel engine(OM651), but the procedure is mostly the same for other models.

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Procedures:

Open and close the fuel cap to lower the pressure in the tank

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Remove engine cover

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Use plier for click clamps part-nr 171 589 0037 00, these tools are not recommended by MB.

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Remove hoses by hands or plastic tools

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Hose clamps part-nr

13-14.5 mm A006 997 18 90

14.5-15.5 mm A004 997 20 90

Important: hose clamps should not be reused

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Take out old filter then replace a new filter from BOSCH

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Inspect the hoses for cracks, if you find damage the the hose, it should be replaced

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According to the MB documents, key should be in position(2) under 5 seconds to fill the new filter before start.

Turn the ignition on, check for leaks

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No leaks put the engine cover back

 

More Mercedes-Benz cases, please refer to Benz Trouble Repair.

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